2007 Fiat Siena vs. 2006 Mercury Mariner
To start off, 2007 Fiat Siena is newer by 1 year(s). Which means there will be less support and parts availability for 2006 Mercury Mariner. In addition, the cost of maintenance, including insurance, on 2006 Mercury Mariner would be higher. At 2,299 cc (4 cylinders), 2006 Mercury Mariner is equipped with a bigger engine. With that said, vehicle weight also plays an important factor in acceleration. 2006 Mercury Mariner weights approximately 855 kg more than 2007 Fiat Siena.
Because 2006 Mercury Mariner is four wheel drive (4WD), it will have significant more traction and grip than 2007 Fiat Siena. In wet, icy, snow, or gravel driving conditions, 2006 Mercury Mariner will offer significantly more control. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2006 Mercury Mariner (168 Nm @ 4250 RPM) has 66 more torque (in Nm) than 2007 Fiat Siena. (102 Nm @ 3250 RPM). This means 2006 Mercury Mariner will have an easier job in driving up hills or pulling heavy equipment than 2007 Fiat Siena. 2006 Mercury Mariner has automatic transmission and 2007 Fiat Siena has manual transmission. 2007 Fiat Siena will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2006 Mercury Mariner will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Fiat Siena | 2006 Mercury Mariner | |
| Make | Fiat | Mercury |
| Model | Siena | Mariner |
| Year Released | 2007 | 2006 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 1242 cc | 2299 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 72 HP | 0 HP |
| Torque | 102 Nm | 168 Nm |
| Torque RPM | 3250 RPM | 4250 RPM |
| Engine Bore Size | 70.9 mm | 87.5 mm |
| Engine Stroke Size | 78.9 mm | 94 mm |
| Engine Compression Ratio | 9.1:1 | 12.3:1 |
| Fuel Type | Gasoline | Gasoline / Electric Hybrid |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1070 kg | 1925 kg |
| Vehicle Length | 3830 mm | 4430 mm |
| Vehicle Width | 1640 mm | 1790 mm |
| Vehicle Height | 1440 mm | 1790 mm |
| Wheelbase Size | 2380 mm | 2630 mm |
| Fuel Consumption Overall | 7.8 L/100km | 7.6 L/100km |
| Fuel Tank Capacity | 54 L | 57 L |
